[mythtv-users] Terratec H7 DVB-C/DVB-T with CI and used by mythtv

Torfinn Ingolfsen tingox at gmail.com
Sun Aug 26 22:08:06 UTC 2012


On Sun, Aug 26, 2012 at 9:51 PM, Roger Mårtensson
<roger.martensson at gmail.com> wrote:
> Hello!
>
> I bought the Terratec H7 USB device for use in MythTV. Mostly because it has
> CAM slot. And I noticed a driver for it was posted on the linux-media list.
> Not long after the driver got included it also got support for CI.
>
> Currently it is found in the media_build tree. Not sure if it is released in
> any release of Linux yet.
>
> I'm happy to inform you it is working like a charm in my DVB-C network and
> with full CI support. Both in SD and HD. Haven't tried the DVB-T part but
> since it is the same driver I would guess it should work.
>
> BUT!!!
>
> I "lost" a couple of months testing this driver since I didn't get it to
> work 100% in Kaffeine.
>
> I was stuck in this state until I noticed a bugreport about another driver.
> It was #10839 which didnt have anything to do with my problem at all. What
> it did was explain to me how MythTV changes channel.
>
> It was exactly how I was using Kaffeine to work around my problem.
>
> The "bug" in the driver shows itself when I used these steps:
> * Start Kaffeine
> * Tune to an encrypted channel
> * If that works tune to another encrypted channel
> * Video does not show up. Close Kaffeine
> * Start Kaffeine and it will show up the chosen channel
>
> So the working "workaround" for the Terratec H7 driver is:
> * Open device
> * Tune to a channel
> * Close device
> * Open device
> * Record
> * Close device
>
> The exact way MythTV is using acording to the bug report.
>
> So my hope is that the MythTV developers will not stop using this approach.
>

Thanks for reporting - this is good to know!
(I should get back to testing my H7 soon)
-- 
Regards,
Torfinn Ingolfsen


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